Acid removable low density well cement compositions and methods

Details Acid removable low density well cement compositions and methods Acid removable low density well cement compositions and methods

1993-03-23

1994-03-29

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106688, 166293, C04B 902, E21B 3313

Patent

active

052980693

ABSTRACT:
Low density well cement compositions which set into hard substantially impermeable masses, but which are removable by dissolution in acid, and methods of utilizing such compositions for forming removable cement plugs or seals in subterranean zones are provided. The compositions are comprised of pumpable foamed slurries of magnesium oxychloride cement.

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patent: 5147565 (1992-09-01), Boin et al.
patent: 5213161 (1993-05-01), King et al.

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